Electric flash-light.



H. M. KORETZKY. ELECTRIC FLASH LIGHT. IIIIIIIIIIIIIIIII (N. 21. ms. 1,198,239. PatentedSept. 12,1916.

N n a i1 7 ATTORNEYS UNITED STATES PATENT OFFICE.

HARRY'M. KORE'IZKY, OF NEW YORK, N. Y.'

ELECTRIC FLASH-LIGHT.

Specification of Letters Patent.

Patented Sept. 12, 1916.

Application filed November 27, 1915. Serial No. 63,729.

lights of that type disclosed in United States Letters Patent No. 1.155.219 grant ed to me on the 5th day of September. 1915, wherein the flashlight comprises a watchlike casing in which is located a rectangular battery having oppositely disposed contacts at its sides which are adapted to engage re-' spectivcly an electric lamp and a pushbutton contact. the pushbutton contact and one terminal of the lamp being. grounded on the casing'so that when the pushbutton is pressed to engage the contact or terminal of the battery. thecircuit of the lamp will becompleted.

' Fig. 3 is a sectional view on the'line 3-3,

The invention has for its general objects toimprove' the construction of flashlights of the character referred to so as to be reliable and elticient in use, comparatively simple and inexpensiveto manufacture, and so designed that the circuit can be kept closed indefinitely by-the locking of the pushbutton in closed circuit position.

More specific objects of the invention are the provision of improved means for sup porting the socket in which the lamp screws, such means forming a-stop for holding the battery in proper position; and also the provision of'a novel form of switch button which. by the pressing of the button will close the circuit. and by the turning of the button will lock the circuit closed.

\Yitlr such objects in view. and others which will appear as the description procccds. the invention comprises various novel features of construction and arrangement of parts which will be setforth with particularity in the following descri tion and claims appended hereto.

In the accompanying drawing. which illustrates one embodiment of the invention and wherein similar characters of reference indicat corresponding parts in all the views. Figur 1 is a plan view of the flashlight with the cover removed and the pushbutton switch in open ,circnit position: Fi 2 is a' similar view'with the circuit closed;

Fig. '2: Fig.4 is a perspective view of the battery; Fig. 5 is a perspective view of the lamp-holding socket-and the battery stop;

and Fig. 6 is a perspective View of the" contact or stem oft-he pushbutton.

Referring to the drawing,' 1 and 2 desig unto the two halves of the casing. which are divisible on the dotted line 3, Fig. 3. This casing is preferably circular, like a watch, l

and positioned therein is a rectangular battery i. This battery isv of'similar construction to that shown in the patent hereinbefore referred -to,"and atone side it, has a spring terminal or contact 5, and at the 0pposite. side the paper insulating covering is removed at G to expose aportion of the battery at T to form the other terminal of the battery. The-terminal 7 is adapted to be engaged by a contact 8 which is formed on theinner end of a pushbutton stem 9 thatis slidably' mounted in a barrel 10- rigidly fastenedto the section of the casing. Rigidly fastened to the outer end ofthe stem is a button or head 11. In the barrel'isai spring 12 which is adapted to hold. the contact S in open circuit position, asshown in Fig. 1: Attached to the barrelis aring' 13 which serves as-a or means for-attaching the fiashlightto a chain. Obviously, by pressing inwardly on the pushbutton the contact'S engages the terminal 7 of the 'ba't-.

tery and thereby the circuit of-tlie lamp will To enable the lamp to be be completed. held in a closed circuit, the pushbutton stem 9 has a cross bar 11 formingoppositely c vtending lugs. These lugs engage in recesses 13 in acollar 16 fastened in the section 2 of the casing. These recesses 15 proyide lugs 17, with the inner surfaces of which the cros bar It is engageab le by pressing the pushbutton inwardly and then giving it. a quarter turn, whereby the contact 8 will be held in the closed circuit position shown in Fig. 2. For only momentarily closing the circuit it is merely necessary to press the pushbutton inwardly so that the contact 8 will engage the terminal 7 of the battery.

In the casing at the side opposite from the pushbutton switch is the lamp 1S. which is set into a socket 19 disposed in the periphery of the casing. The socket has a threaded portion into which the lamp screws. and it also has a reflector 20. The threaded shell '21 of the lamp is grounded on the metallic socket 19, and this in turn is raging th t Q -,ie

grounded on the casing of the flashlight. The central contact 22 of the lamp engages the spring contact 5 of the battery. The sockct l9 brazed or otherwise secured in a bracket 23 which is a strip of metal formed into a base 24 which is brazed or otherwise fastened to the section 2 of. the casing, and extending upwardly from the base is an aperturrd member 25 in which the. lamp socket it is fastened, and at the opposite end of the base 24: is an upstanding flange 26 which is adapted to be engaged by the battery so as to form a stopthcrcfor, where by the battery is held in proper position.

From the foregoing description taken in connection wi h the accompanying drawing, the advantages of the construction and method of operation will be readily unden stood by those skilled in the art to which the invention appertains, and while Lhavc described the principle of operation, together with the device which .I now consider to be the best embodiment thereof, I desire to have it understood that the device shown is merely illustrative and that such changes may be made when desired as fall within the scope of the appended claims.

Having thus described my invention, i rlann as new and desire to secure by Letters .latent:

l. A flashlight comprising a. casing, a battery arranged within the casing and having terminals, a lamp mounted inthe casing and having one terminal connected with one terminal of the battery and the other terminal grounded on the casing, a barrel on the casing extending outwardly therefrom, a stem slidablo in the barrel and projecting into the casing to form a contact for ene other terminal of the battery from tha engaged by the lamp, a ring attached only to the barrel, :1. pushbutton eonrted with the outer end of the stem for moving the stem longitudinally and rotagaging the other terminal of the battery, a bracket arranged in the casing to form a support for the lamp, and a stop engaging the battery for holding the same in place and withstanding the thrust on the battery produced by the pushbutton.

3. In a flashlight the combination of a casing, a battery therein, a lamp connected with one terminalof the battery, :1. pushbutton stem engageable with the other terminal of the battery, a guide in which the stem is longitudinally and rotatably movwith one terminal of the battery and tably, said pushbntton being adapted to be pressed inwardly, said ring being adapted to be hold while the: pushbutton is being pressed inwardly and interlocking means arranged within the casing and disposed respectively on the stem and on the casing for locking the. stem in closed circuit position by an inward and rotary movement of the stem.

3. In a. flashlight of the class described, the. combination of a circular casing, a rectangular battery mounted therein and having: torn'iinals disposed at diametrically oprite points one of the terminals being. a idin g spring, a pushbntton arranged in 'hgand Iormi-ng a contact for one terminal of the battery, a lamp disposed in the casing at the opposite side from the pushbutton and having one of its terminals engrounded on the casing, a lamp having one terminal engageable with the other terminal of the battery, a socket in which the lamp is mounted, and a bracket in which the socket is secured and which is fastened to the casing to ground the socket thereon, sa id bra'cket consisting of a piece of metal having a base portionfastened to the casing and an upstanding apertured member in which the. socket is fastened, and an upstanding flange forminga stop with which the battery engages. j v

In a flashlight, the combination of a casing having an-openinggatone;side, a; pushbutton sivitcha'btlie opposite side, a battery between the ssvitch and saidopening, a bracket ta'stcnedjntl asing'and having an upstandihg me'ml led with ,an opening registering wit thefopening inthe casing, andfforinin'g aist'op fdi th'e battery at the side opposite' froim;the-pushbnlton, a combined lamp socket and reflector fastened in the opening in the upstanding member and extending-into the casing, through the opening thereof, a lamp threaded in the socket and having one terminal grounded thereon and grounded through the bracket on the casing, a terminal on the battery arranged to be engaged by the lamp, and a ter: minal on the battery arranged to be engaged by the switch.

In testimony whereof I have signed my; name to thisspecification in the presence 01 two subscribing witnesses. I

HARRY M. KORETZKY.

Witnesses:

CARLA. H. BonHM, ISRAEL Koamzxz. 

